Home / 90,922,948.80-136,384,423.20-26,228,864.40

Finding the Fourth Proportional to 90,922,948.80, 136,384,423.20 and 26,228,864.40

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Solution

The fourth proportional to 90,922,948.80, 136,384,423.20 and 26,228,864.40 is: 39,343,296.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,922,948.80 : 136,384,423.20 = 26,228,864.40 : x
  2. Step 2: Convert to fraction form
    90,922,948.80/136,384,423.20 = 26,228,864.40/x
  3. Step 3: Cross multiply
    90,922,948.80x = 136,384,423.20 × 26,228,864.40
  4. Step 4: Simplify right side
    90,922,948.80x = 3,577,208,542,385,013.50
  5. Step 5: Solve for x
    x = 3,577,208,542,385,013.50/90,922,948.80
  6. Step 6: Final answer
    x = 39,343,296.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.